369319399 has 4 divisors (see below), whose sum is σ = 381232960. Its totient is φ = 357405840.

The previous prime is 369319367. The next prime is 369319411. The reversal of 369319399 is 993913963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993913963 = 7 ⋅141987709.

It is a cyclic number.

It is not a de Polignac number, because 369319399 - 2⁵ = 369319367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (369319309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5956734 + ... + 5956795.

It is an arithmetic number, because the mean of its divisors is an integer number (95308240).

Almost surely, 2^369319399 is an apocalyptic number.

369319399 is a deficient number, since it is larger than the sum of its proper divisors (11913561).

369319399 is a wasteful number, since it uses less digits than its factorization.

369319399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11913560.

The product of its digits is 1062882, while the sum is 52.

The square root of 369319399 is about 19217.6845379458. The cubic root of 369319399 is about 717.4649784004.

The spelling of 369319399 in words is "three hundred sixty-nine million, three hundred nineteen thousand, three hundred ninety-nine".